.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--steel-black) 0%, var(--grey-dark) 100%);
    color: var(--white);
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    color: var(--industrial-grey);
}

.catalog-section {
    padding: 4rem 0;
}

.catalog-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--grey-light);
    border: 2px solid transparent;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
}

.filter-btn:hover {
    border-color: var(--signal-blue);
}

.filter-btn.active {
    background: var(--signal-blue);
    color: var(--white);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    overflow-y: auto;
    padding: 2rem;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 8px;
    max-width: 900px;
    width: 100%;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--steel-black);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1;
    transition: background 0.3s;
}

.modal-close:hover {
    background: var(--signal-blue);
}

.modal-body {
    padding: 2rem;
}

.modal-product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.modal-image {
    position: relative;
}

.modal-image img {
    width: 100%;
    border-radius: 8px;
}

.modal-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.modal-price {
    font-size: 2rem;
    color: var(--signal-blue);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.modal-description {
    color: var(--industrial-grey);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.modal-features {
    margin-bottom: 2rem;
}

.modal-features h3 {
    margin-bottom: 1rem;
}

.modal-features ul {
    list-style: none;
}

.modal-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-features li i {
    color: var(--signal-blue);
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    background: var(--grey-light);
    border: none;
    border-radius: 4px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.3s;
}

.quantity-btn:hover {
    background: var(--industrial-grey);
    color: var(--white);
}

.quantity-value {
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

@media (max-width: 768px) {
    .modal-product {
        grid-template-columns: 1fr;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .modal-actions {
        flex-direction: column;
    }
}